perisperm 中文意思是什麼
perisperm
解釋
n. 名詞 【植物；植物學】外胚乳。-
Food materials may be stored in a special tissue derived from the nucellus, called the perisperm.
營養物質可以貯藏於由珠心產生的一種特殊組織，叫外胚乳。 -
Their differences are based on many aspects which include characteristics of morphology, anatomy and epidermis of leaf, types of tapetum in anther walls, patterns of endothecial thickenings, and ways of development of endosperms, presence or absence of perisperm, components of photochemistry, and sequences of rbcl
菖蒲屬與天南星科其它屬在葉的形態、結構、表面特徵，花藥絨氈層類型，藥室內壁增厚的特點，胚乳的發育方式，外胚乳的有無，植物化學成分， rbcl基因序列等多方面存在著顯著的差異。
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